JP3626247B2 - Method and apparatus for accommodating sliver in sliverkens - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method and apparatus for housing a sliver in a sliverken.
[0002]
[Prior art]
The sliver is transported by a calender roller, spirally filled in a can moving under the rotating coiler head, the sliver is cut to form the sliver end, and at least the coiler head is driven by an independent drive device, and the rotary motion of the coiler head Methods for controlling or adjusting the sliver, in particular sliver in a sliver can with a card or drawing machine, and devices for carrying out this method are known.
[0003]
[Problems to be solved by the invention]
In the known method, a roller for supplying a sliver, a coiler plate for housing the sliver in an outer cycloid shape, and a mechanically independent motor for driving the Kenstern table are provided. These motors are connected in series with each other. The disadvantage of this method is that only the coiler head cannot be stopped while the calendar roller and the Kenstern table are rotating. Since the motors are connected to each other, when the coiler head stops, as a result, the calendar roller and the Kenstern table also automatically stop. In the known method, it is impossible to stop the coiler head at a specific position, for example, in order to accommodate the sliver end at a specific location.
[0004]
The object of the present invention is to provide a method of the kind described at the outset, which avoids the disadvantages mentioned above and can accommodate the sliver end, in particular at a predetermined location in the can.
[0005]
[Means for Solving the Problems]
In the present invention, in order to achieve the above object, the rotary motion of the coiler head is stopped at a predetermined position of the can. The calender roller continues to convey the fiber material, and the can moves.
By stopping the rotational movement of the coiler head at a predetermined position of the can, the sliver can be simultaneously accommodated in the predetermined position of the can. Continuing to transport the sliver with the calendar roller while moving the cane is advantageous in that an elongated or linear sliver is obtained, which protrudes from the edge of the can and forms the sliver end after cutting. is there. Another advantage is that the method of the present invention can accommodate a given total sliver amount.
[0006]
The present invention is further capable of conveying the sliver with a calender roller, spirally filling a can that is movable below the rotating coiler head, cutting the sliver to form a sliver end, and at least a drive device independent of the coiler head This drive device is electrically connected to the control / adjustment device, and there is a device for stopping the rotational movement of the coiler head at a predetermined position. The calender roller further conveys the fiber material, and the cans move. In particular, an advantageous device for accommodating the sliver end in the sliver cans with a card or a drawing machine.
[0007]
Ke is conveniently provided with a separate drive device relative Nsu motion. It is advantageous to provide an independent drive for the Kenstern table. It is expedient for each drive to have a unique speed control circuit consisting of a motor, a speed control device and a tachometer. It is preferable to calculate and specify a target value for the driving device of the central control / adjustment device. Conveniently, the target value specified by the controller / regulator has a predetermined ratio that is also variable with respect to the feed rate of the production machine (cards, drawing machine, etc.). It is advantageous that a target value that defines the supply speed of the production machine, such as a kenscoiler, is output from the control / regulator. It is expedient for the predetermined target values to have a fixed ratio during production. It is preferred that at least one target value (eg for the coiler head) takes a value of zero, but the machine continues to produce. During production, it is advantageous to adapt the target values for the motor to technical or other conditions. Advantageously, the coiler head comprises a sensor, which is connected to the control / adjustment device, so that the control / adjustment device can identify the position of the coiler head on the circular track each time. It is expedient for the sensor to be an absolute value type sensor. Sensors Ru is conveniently der be incremented sensor. Even without least have one operating member and one of the sensors, these, when the Koiraheddo reaches a specific location on its circular orbit, it is expedient that it is possible to send a message to the control and regulating unit . The operating member is preferably on the coiler head or on the member that drives it, the position of which can be adjusted so that the sensor can be energized when it reaches any desired position (on a circular track) Is preferred. Conveniently, a device is provided that can decouple the coiler head drive from the other drive members of the Kenscoiler. Advantageously, the device for disconnecting the coiler head drive from the other drive members is a remote control clutch. Advantageously, the clutch disengagement is performed by a central control and adjustment device. Conveniently, the clutch is an electromagnetic clutch.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings.
FIG. 1 shows a feed roller 1, a feed table 2, a take-in 3, a cylinder 4, a doffer 5, a stripping cylinder 6, crash rollers 7 and 8, a web guide member 9, a web funnel 10, delivery rollers 11 and 12, and a rotary flat 13. A card having the following structure, for example, EXACTACARD DK760 manufactured by Trutchuler, is shown. The delivery rollers 11 and 12, the crush rollers 7 and 8, the stripping cylinder 6 and the doffer 5 are driven by a motor 14 (see FIG. 3 ). A Kenscoiler 15 is arranged behind the card. The Kenscoiler 15 has two driven calendar rollers 16a and 16b and one driven feeding device (coiler plate, tube wheel). Kens 19 is on the driven Kenstern table 20. The sliver accommodated in this can 19 is represented by 21.
[0009]
In FIG. 2, a round can 22 is arranged below the sliver feed 23, and a drawing machine, for example, a high performance manufactured by Trutchuler, which draws the supply sliver 21 through a roller and supplies it to a draft device 24. A drawing machine HS900 is shown. After passing through the draft device 24, the stretched sliver 25 enters the coiler head 17 and is spirally accommodated in the flat can 27. The flat can 27 is disposed on the carriage 28. The carriage 28 reciprocates in the direction of the arrow by a moving device 30 (carriage) driven by a motor 29.
[0010]
In FIG. 3, there is a pair of cylindrical rollers 16a, 16b called calendar rollers facing each other. These rollers are fed with a sliver 21 from a spinning preparation machine such as a card (FIG. 1), a comb, a drawing machine (FIG. 2), and the like. These spinning preparation machines are shown in FIGS.
The coiler includes a vertical shaft coiler head 17 having a belt pulley 17a on which a belt 31 for transmitting a driving motion is hung, and a lower plate 17b on an upper container, that is, a can 19. . The cans 19 are supported by a coiler support structure (not shown). The coiler head 17 has a sliver pipe 32 arranged at an inclination. The sliver pipe 32 has an inlet hole 33a in the area of the calender rollers 16a and 16b, and an outlet hole 33b in an eccentric position with respect to the vertical axis of the coiler head 17 in the area of the rotatable plate. The cans 19 can comprise a movable floor that is pushed upward by a coil spring S in a manner known per se and is supported by a moving device, ie a Kenstern table 20. The Kenstern table 20 can rotate about a vertical axis that coincides with the axis of the cylindrical can 19.
[0011]
The calendar rollers 16a and 16b are driven by a first motor 33 provided with a tachometer 34 (rotometer). The tachometer 34 is connected to the motor 33 via the first rotation speed control device 35. The second motor 36 has a drive belt pulley that drives the drive belt 31 that rotates the coiler head 17. The second motor 36 also includes a tachometer (rotation speed meter) 37 , which is connected to the motor 36 via a rotation speed control device 38. The third motor 39 rotates the Kenstern table 20 via the drive belt pulley 42a and the wide belt 42b. The third motor 39 includes a tachometer 40 (rotation speed meter) connected to the motor 39 via a third rotation speed control device 41. By this configuration, each of the three drive device has a unique rotational speed control circuit, respectively motors 33,36,39, speed control system 35,38,41 and tachometer 34 and 37 , 40 .
[0012]
The rotational speed target values 44, 45 and 46 for the motor 39, 36 or 33 are specified by calculation with a central control / adjustment device 43, for example, a microcomputer with a microprocessor. The target values 44, 45, 46 specified by the control / adjustment device 43 have a predetermined ratio which is also variable with respect to the supply speed 47 of the spinning machine to be produced, for example cards, drawing machines, etc. When the flat can 27 that moves is used, the driven carriage 28 becomes a base.
[0013]
In FIG. 4, a motor for the moving device 30 of the carriage 28 is attached with a tachometer 48 and a rotation speed control device 49 connected to the control / adjustment device 43. In other respects, the Kenscoiler at the exit of the drawing machine (FIG. 2) corresponds to the Kenscoiler at the exit of the card (FIG. 1). At the exit of the drawing machine, the sliver 25 can be accommodated in a rotating round can. In this case, there is a driven Kenstern table 20 as shown in FIGS.
[0014]
5 shows the sliver 21 accommodated in the round can 19, and FIG. 6 shows the sliver 25 accommodated in the flat can 27.
3 and 4, at least when the target value for the drive device of the coiler head 17 takes a value of zero, the rotary motion of the coiler head 17 stops, but the machine continues to produce the sliver.
[0015]
In FIG. 7, the target value 50 that defines the supply speed of the production machine (card, drawing machine) is output from the same control / adjustment device 43 as that for the Kenscoiler 15.
In FIG. 8, the coiler head 17 includes a sensor 51, for example, an increment type sensor. Since this sensor is connected to the control / adjustment device 43, the control / adjustment device 43 can identify the location where the coiler head 17 is on the circular track each time.
[0016]
In FIG. 9, there is one operation member 52 and one sensor 53, which sends a message 54 (signal) to the control / adjustment device 43 when the coiler head 17 reaches a specific position on the circular track 55. Is possible. The operating member 52 is on the coiler head 17 or on the member that drives it, and its position is adjustable so that the sensor 53 can be energized when it reaches any desired position (on the circular track 55). It is.
[0017]
In FIG. 10, the card motor 14 drives the Kenscoiler 15 via the transmission device 56. The output shaft 57 drives the calendar rollers 16b and 16a and the coiler head 17. There is a remote operation clutch 59, for example, an electromagnetic clutch, as a device for separating the coiler head 17 on the drive shaft 58 for the coiler head 17. In this case, the clutch 59 is disengaged by the central control / adjustment device 43. When the clutch 59 is disengaged, the rotary motion of the coiler head 17 is stopped.
[Brief description of the drawings]
FIG. 1 is a conceptual side view of a card having an apparatus of the present invention.
FIG. 2 is a perspective view of a drawing machine having the apparatus of the present invention.
FIG. 3 is a block diagram of the device of the present invention in a card.
FIG. 4 is a block diagram of the apparatus of the present invention in a drawing machine having a flat can.
FIG. 5 is a plan view of a sliver housed in a round can.
FIG. 6 is a plan view of a sliver housed in a flat cane.
FIG. 7 is a block diagram according to FIG. 4 having a target value defining the supply speed of the production machine.
FIG. 8 is a diagram showing a position sensor attached to a coiler head.
FIG. 9 is a diagram showing another apparatus for detecting the position of the coiler head;
FIG. 10 is a diagram showing an apparatus of the present invention having an electromagnetic clutch attached to a coiler head.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Feed roller 2 ... Feed table 3 ... Take-in 4 ... Cylinder 5 ... Doffer 6 ... Stripping roller 7, 8 ... Crash roller 9 ... Web guide member 10 ... Web funnel 11, 12 ... Delivery roller 13 ... Rotating flat 15 ... Kenskoira 16a, 16b ... Calendar roller 17 ... Coiler head 19, 27 ... Kens 20 ... Kenstern tables 33, 36, 39 ... Motors 35, 38, 41 ... Rotation control devices 34, 37, 40 ... Tachometer 43 ... Control / adjustment device 44 45, 46, 50 ... Target value 47 ... Supply speed 51, 53 ... Sensor 52 ... Operation member 54 ... Signal 55 ... Circular track 59 ... Clutch

Claims (20)

The sliver is transported by a calender roller, filled into a can that moves under the rotating coiler head in a spiral shape, the sliver is cut to form the sliver end, and at least the coiler head is driven by an independent drive unit, and the rotary motion of the coiler head In the method of accommodating the sliver in the sliver can control or adjust the sliver, the rotary motion of the coiler head is stopped at a predetermined position of the can, but the calendar roller continues to convey the fiber material, and the can moves. How to house a sliver in a sliverkens. The sliver can be conveyed by a calender roller, can be helically filled into a can that can be moved under the rotating coiler head, and the sliver can be cut to form the sliver end. 2. A device for accommodating a sliver in a sliver for implementing the method of claim 1, wherein the device is electrically connected to a control and adjustment device, the device for stopping the rotary movement of the coiler head (17) at a predetermined position. The sliver is accommodated in the sliver cans, wherein the calender rollers (16a, 16b) continue to convey the fiber material and the cans (19; 27) move. Device according to claim 2 , wherein a drive independent of the movement of the can (19; 27) is provided . Device according to claim 2 or 3 , wherein an independent drive is provided for the Kenstern table (20) . Each of the drive device, a motor (33,36,39), having a specific rotation speed control circuit comprising a speed control system (35,38,41) and tachometer (34,37,40) according to claim 4 The device described in 1. 6. The device according to claim 2 , wherein a target value (44, 45, 46) for the driving device of the central control and adjustment device (43) is calculated and specified . The target values (44, 45, 46) specified by the control / adjustment device (43) have a predetermined ratio that is also variable with respect to the supply speed (47) of the production machine (card, drawing machine, etc.). apparatus according to claim 6. 7. The device according to claim 6 , wherein a target value (50) defining the supply speed of the production machine is output from the control / regulation device (43) . 7. The apparatus according to claim 6 , wherein the predetermined target values (44, 45, 46) have a fixed ratio to each other during production . 7. The apparatus according to claim 6 , wherein at least one target value (e.g. for the coiler head 17) takes a value of zero, but the machine continues production . 7. The device according to claim 6 , wherein during production, the target value (44, 45, 46) for the motor (33, 36, 39) is adapted to technical or other conditions . The coiler head (17) includes a sensor (51), and the sensor (51) is connected to the control / adjustment device (43), whereby the control / adjustment device (43) is connected to the coiler head (17). The device according to any one of claims 2 to 11 , which can identify a position on a circular orbit in each case. Device according to claim 12 , wherein the sensor (51) is an absolute value type sensor . Device according to claim 12 , wherein the sensor (51) is an incremental sensor . When there is at least one operating member (52) and one sensor (53), by which the coiler head (17) reaches a specific position on its circular track (55), the control and adjustment device (43) Device according to claim 12 , wherein the message (54) (signal) can be sent . Said operating member (52) is preferably on the coiler head (17) or on the member that drives it, the position of which can be adjusted and at any position (on the circular track (55)) 16. The device according to claim 15 , wherein the device (53) can be activated when reached . 17. A device according to any one of claims 2 to 16 , wherein a device is provided that can disconnect the drive device (57) of the coiler head (17) from the other drive members of the Kenscoiler (15) . 18. The device according to claim 17 , wherein the device for disconnecting the drive device (57) of the coiler head (17) from the other drive member is a remotely operated clutch (59) . 19. The device according to claim 18 , wherein disengagement of the clutch (59) is performed by a central control and adjustment device (43) . 20. The device according to claim 19 , wherein the clutch (59) is an electromagnetic clutch .

Images